28887660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 108

約数和(自身を含む): 91085904

約数和(自身を除く): 62198244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 167, 180, 186, 279, 310, 334, 372, 465, 501, 558, 620, 668, 835, 930, 961, 1002, 1116, 1395, 1503, 1670, 1860, 1922, 2004, 2505, 2790, 2883, 3006, 3340, 3844, 4805, 5010, 5177, 5580, 5766, 6012, 7515, 8649, 9610, 10020, 10354, 11532, 14415, 15030, 15531, 17298, 19220, 20708, 25885, 28830, 30060, 31062, 34596, 43245, 46593, 51770, 57660, 62124, 77655, 86490, 93186, 103540, 155310, 160487, 172980, 186372, 232965, 310620, 320974, 465930, 481461, 641948, 802435, 931860, 962922, 1444383, 1604870, 1925844, 2407305, 2888766, 3209740, 4814610, 5777532, 7221915, 9629220, 14443830, 28887660]

約数ペア:

[(1, 28887660), (2, 14443830), (3, 9629220), (4, 7221915), (5, 5777532), (6, 4814610), (9, 3209740), (10, 2888766), (12, 2407305), (15, 1925844), (18, 1604870), (20, 1444383), (30, 962922), (31, 931860), (36, 802435), (45, 641948), (60, 481461), (62, 465930), (90, 320974), (93, 310620), (124, 232965), (155, 186372), (167, 172980), (180, 160487), (186, 155310), (279, 103540), (310, 93186), (334, 86490), (372, 77655), (465, 62124), (501, 57660), (558, 51770), (620, 46593), (668, 43245), (835, 34596), (930, 31062), (961, 30060), (1002, 28830), (1116, 25885), (1395, 20708), (1503, 19220), (1670, 17298), (1860, 15531), (1922, 15030), (2004, 14415), (2505, 11532), (2790, 10354), (2883, 10020), (3006, 9610), (3340, 8649), (3844, 7515), (4805, 6012), (5010, 5766), (5177, 5580)]